public void Subtract(char[] expected, char from1, char to1, char from2, char to2)
{
var range1 = Range <char> .Create(from1, to1);
RangeSet <char> set1 = range1;
var range2 = Range <char> .Create(from2, to2);
RangeSet <char> set2 = range2;
Assert.Equal(expected, RangeOperations <char> .Subtract(set1, set2).Expand());
Assert.Equal(expected, (set1 - set2).Expand());
Assert.Equal(expected, (range1 - range2).Expand());
Assert.Equal(expected, (set1 - range2).Expand());
Assert.Equal(expected, (range1 - set2).Expand());
}
public static RangeSet <T> operator -(Range <T> left, RangeSet <T> right)
{
return(RangeOperations <T> .Subtract(new RangeSet <T>(left), right));
}
public static RangeSet <T> operator -(RangeSet <T> left, T right)
{
return(RangeOperations <T> .Subtract(left, new RangeSet <T>(right)));
}